Find top IT service companies in California through DesignRush. Our platform connects you with California IT support companies trusted by brands like McDonald's and Coca-Cola. With over 1M monthly visitors and Fortune 500 companies using our rankings, you can be confident in the quality of every agency listed. Compare providers by industry expertise, client type, budget, reviews, team size, and portfolio.

Top IT Services Companies in California

Compare the leading IT services agencies in California, handpicked for their verified reviews, standout portfolios, and proven expertise, so you can confidently choose the right partner to scale your business.

Agency Name Why Hire Them Client Rating Hourly Rate Top Client or Case Study Top Industries
Goji Labs Trusted by global brands for UX and digital products. 5.0 ⭐ $149 Redesigned Elf on the Shelf website for immersive experience. Nonprofit, Healthcare, Fintech
Closeloop Technologies Award-winning, innovative tech solutions for complex needs. 4.9 ⭐ $25 Resolved database outage for Brex in two hours. Fintech, Healthcare, eCommerce
Mercury Development Over 2,500 projects delivered for top global brands. 4.9 ⭐ $50 Developed mobile apps for Burger King and Fitbit. Wellness & Fitness, Healthcare, Retail
Suffescom Solutions Inc Experts in mobile apps with global industry recognition. 5.0 ⭐ Built ridesharing app for GoCar Malaysia. eCommerce, Healthcare, Fintech
AppMakers USA MIT, Stanford, UCLA engineers deliver on time and budget. 5.0 ⭐ Developed mobile app for CVS Pharmacy. Retail, Education, Sports
Azumo Nearshore experts trusted by Meta, Zynga, United Health. 4.9 ⭐ $55 Developed chatbot app for Facebook events. AI, Fintech, Health Care
Koderspedia Custom mobile and web solutions with rapid delivery. 4.9 ⭐ Web app for Gameloft Montreal exceeded expectations. eCommerce, Gaming, Real Estate
Aristek Systems AI and EdTech specialists with 22+ years experience. 4.8 ⭐ $50 Award-winning LMS for K-12 education market. Education, Health Care, Logistics
SDLC Corp Full-cycle digital solutions for startups to enterprises. 4.9 ⭐ $50 IoT supply chain project improved delivery for Freight Right. Logistics, eCommerce, Gaming
Trango Tech Holistic software and mobile solutions for global growth. 4.7 ⭐ Built wellness app for Simple Habit company. Wellness & Fitness, eCommerce, Real Estate
United States × California ×
  • EpicBliss Solutions provides a variety of IT services.

    Many worldwide clients are now using "EpicBliss" benchmark solutions, We're capable to drive you to the right tech-track for your laudable idea. So, let's scrutinize your business need, mold it and establish it with the latest and most suitable technologies...

    Location
    Ontario, California
    Number of Employees
    Under 49
  • Your Technology Partner

    SISGAIN Technologies is a leading software development company specializing in Remote Patient Monitoring (RPM) software, healthcare app development, and restaurant POS systems. With a focus on cutting-edge technology, SISGAIN delivers tailored digital solutions that drive growth and enhance user engagement...

    Location
    Ontario, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • IT Is Our Thing

    Clare Computer Solutions (CCS) is a San Ramon based managed IT services and cybersecurity provider supporting businesses across the San Francisco Bay Area. With decades of experience, CCS helps organizations modernize, secure, and optimize their technology environments for long-term growth...

    Location
    San Ramon, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
  • Digital transformation for your business.

    Product and Software Development, IT Consulting Services and Managed IT...

    Location
    Sacramento, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $90/hr
    Minimal Budget
    $1,000 - $10,000
  • Lanex Corporation - Tailor-made solutions for your business needs

    Here at Lanex Corporation, we are a full-cycle software development service provider specializing in bespoke digital solutions for startups and companies globally. We build scalable and secure products designed to impact your brand and provide the best digital experience for your users...

    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $25,000 - $50,000
  • Proactive Defense Proven Expertise

    OC Security Audit provides expert IT and cybersecurity services, including network and system administration, security assessments, penetration testing, vulnerability management, compliance audits (HIPAA, PCI-DSS, ISO 27001), cloud security, firewall configuration, disaster recovery, endpoint protection, and...

    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
  • Business & Technology Solutions

    Withum can be the new business advisor relationship you need to inspire innovation for your growth and success. Experience a fresh perspective on embracing what you’ve learned and refocusing your business strategy to thrive in an evolving, complex business environment. Whether you’re looking to strengthen...

    Location
    San Francisco, California
    Number of Employees
    1000 & Up
  • Your Extended Engineering Team

    Argusoft is a trusted software solutions design consultancy that provides end-to-end, enterprise-class turnkey solutions. Our team of Argonauts are trained to think design at every step, architecting, designing, and coding with the business goals and objectives of our clients in mind...

    Location
    Newark, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
  • Building Smart Enterprise Solutions For Growing Businesses.

    ITColark Consulting delivers customized enterprise software and IT solutions that help businesses streamline operations, scale efficiently, and achieve digital growth...

    Location
    California City, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $11/hr
    Minimal Budget
    $10,000 - $25,000
  • Driven Companies Towards Their Digital Transformation

    We are a company specialized in software development for mobile platforms, portals and electronic commerce since 1991...

    Location
    Concord, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $24/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
  • People Connecting Technology

    Techmedics® helps businesses get the most out of their technology investments by offering comprehensive IT support plans flexible enough for any sized business, in any industry...

    Location
    Pasadena, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $250/hr
    Minimal Budget
    $1,000 - $10,000
  • Stop threats. Stay Secure

    Vision Quest is a specialized cybersecurity and managed services provider serving the Sacramento professional community. The organization focuses on solving the shortage of high-level technical talent by providing managed detection and response (MDR), endpoint protection, and network security monitoring...

    Location
    Citrus Heights, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $1,000 - $10,000
  • Inspired IT Solutions

    Inspironix provides custom web data system development, and InspiroScan, a high quality, cost effective bubble form solution. Inspironix specializes in serving apprenticeships, K-12 education, higher education, public agencies, and emergency medical services...

    Location
    Sacramento, California
    Number of Employees
    Under 49
  • Railsware - A software development agency

    We're a software development agency that builds products that scale. Our engineering-first culture and product-minded approach have powered success stories like Calendlythe scheduling platform that revolutionized meetings for millions...

    Location
    West Hollywood, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $50,000 & Up
  • Building A Better Working World

    EY offers Accounting, Business Consulting, and IT Services with a mission to build a better working world. It provides insights and quality services that instill trust in global capital markets and economies. EY focuses on developing exceptional leaders who deliver on their commitments to all stakeholders...

    Location
    Sacramento, California
    Number of Employees
    1000 & Up
  • Together, we achieve more.

    Offering project management, business, and IT services. At KPMG LLP, their purpose is to turn knowledge into value for the benefit of their clients, people, and the capital markets...

    Location
    Oxnard, California
    Number of Employees
    1000 & Up
  • Building Solutions That Connect People for Over 17 Years

    At SymSoft Solutions, we're experts in delivering exceptional user experiences through UX design, meeting accessibility standards, personalized data-driven solutions, and robust enterprise applications backed by in-depth business intelligence...

    Location
    Sacramento, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $1,000 - $10,000
  • Engage Emerge Excel.

    For over 30 years, Kumaran Systems has been at the forefront of the IT industry, renowned for its expertise in modernizing legacy software systems. In addition to legacy modernization, we provide comprehensive software development and testing services, enhanced with cloud capabilities, to meet the evolving...

    Location
    Menlo Park, California
    Number of Employees
    250 - 499
  • We Are A Striving Computer IT Consulting

    Softitec is a custom software development company delivering tailored web, mobile, and enterprise-grade digital solutions. Serving startups and enterprises alike, the agency builds scalable platforms that streamline operations, improve customer engagement, and accelerate growth. With a focus on innovation and...

    Location
    Newport Beach, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $70/hr
    Minimal Budget
    Under $1,000
  • Empowering Your Accounting Decisions.

    Crowe LLP is a global accounting firm offering audit, tax, advisory, and consulting services. With deep industry expertise, we empower businesses to make informed decisions for lasting value. Recognized as a top workplace, we leverage our partnership with Crowe Global to provide comprehensive solutions...

    Location
    Los Angeles, California
    Number of Employees
    1000 & Up
  • Elevate Your Digital Experience: Where Web Excellence Begins.

    Sariya IT is an IT solutions and digital marketing agency dedicated to providing services such as web development, digital marketing, SEO, and IT solutions that seamlessly align with your unique business vision. With a strong focus on technology services, we empower your success...

    Location
    Fullerton, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
  • Enterprise Modernization Advisory

    Sunil Dhawan Consulting helps founders and businesses turn ideas into clear product plans, MVP roadmaps, and practical technology decisions. It offers structured guidance to help people build more clarity, confidence, and direction...

    Location
    Lathrop, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
  • Senior Web, Mobile & AI Engineering

    Boutique studio of senior engineers building web, mobile, and AI products since 2015. We embed as a long-term extension of your team and ship code that lasts. 5.0 on Clutch, top 1% on Upwork...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $25,000 - $50,000
  • Building trust in society and solving important problems.

    We’re a network of firms in 155 countries with over 284,000 people who are committed to delivering quality in BPO, project management, assurance, advisory, IT, and tax services...

    Location
    Orange County, California
    Number of Employees
    1000 & Up
  • We Bring The Tech. You Get The Wins.

    Teamvoy is an AI engineering and transformation partner. We help companies make smarter technology decisions and turn them into production-ready software...

    Location
    Covina, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • More Than Code We Build Trust Through Craft & Commitment

    Engineered with integrity. Backed by mentorship. Delivered with care. BTS transforms ideas into scalable, secure, and impactful digital products that deliver long-term value...

    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $50,000 & Up
  • IT Security Beyond Limits

    Total Secure Technology, based in Sacramento, CA, specializes in delivering managed IT security and managed IT services to enhance cybersecurity defenses and business efficiency. Its dedicated team of cybersecurity experts and IT support technicians offers real-time threat management as a managed security...

    Location
    Sacramento, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $1,000 - $10,000
  • Empowering Autonomic Cyber Defense

    Netenrich redefines security operations with its adaptive, AI-powered cybersecurity solutions. Its Resolution Intelligence Cloud platform delivers proactive threat management tailored to meet unique client needs and driven by big data. As a trusted Google partner, the agency brings agility and precision to...

    Location
    San Jose, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $1,000 - $10,000
  • Maximize Your Revenue

    A U.S.-based medical management partner that supports physicians by streamlining operations, reducing administrative burdens, and allowing providers to focus on delivering quality patient care...

    Location
    Anaheim, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    Under $1,000
  • Your Trusted IT Consulting Company for Business Success.

    TST Technology is an IT consulting company that offers services such as UI/UX design, web and mobile app development, software development, and SaaS product development. They have completed over 40 projects across 15+ industries...

    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
  • Best Game Development Company in USA.

    Source Code Lab is the Best Custom Game Development Company in Usa/India.Our game developers build remarkable games compatible with the most popular platforms to attract the attention of a wider audience...

    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Your Digital Growth Success Partner.

    CONTUS Tech stands as a prominent global authority in digital engineering services, heralded for its transformative impact on businesses worldwide. Our forte lies in crafting cutting-edge digital products, pioneering connected vehicle experiences, and spearheading next-generation streaming services that...

    Location
    Santa Clara, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
  • Transform Your Business with Our End-to-End IT Solutions.

    Chipsy Information Technology Services Pvt Ltd. offers comprehensive IT solutions, including expert consulting, mobile app development (VitalBase is an ABDM-enabled hospital management information system), application development, school management systems, and DevOps services...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $12/hr
  • Your Partner for Digital Excellence

    TenUp Software Services is an ISO 27001-certified, AWS-partnered software firm serving clients across 7+ countries. With 70+ experts and 20+ years of leadership experience, we deliver tailored solutions in ALM, Digital Transformation, Product & Cloud Engineering, DevOps, AI, and Data Services. Recognized by...

    Location
    Palo Alto, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
  • Crafting Websites, Creating Success!

    Invoxico Technologies is an adept company in web design and development, acknowledged for its proficiency in crafting customized digital solutions. Their expert team focuses on UI/UX design, web development, CMS development, eCommerce solutions, and mobile app development, and offers a complete range of...

    Location
    La Puente, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000

Frequently Asked Questions

What services do IT services companies in California provide?

IT services companies in California provide technology solutions that help businesses run efficiently, stay secure, and scale operations. Their services typically include: 

How do IT services companies in California help businesses improve efficiency and security?

IT services companies in California improve efficiency and security by automating routine tasks, maintaining cloud infrastructure, and ensuring fast, reliable access to business tools. For security, they set up firewalls, encryption, and multi-factor authentication to block unauthorized access.  

They also monitor networks 24/7, detect vulnerabilities early, and provide regular updates and backups to prevent downtime or data loss. This allows businesses to operate smoothly and focus on growth while staying protected from cyber risks. 

How much do IT services cost in California?

IT services in California typically cost $80 to $200 per user per month, depending on service scope and company size.  

  • Basic packages cover help desk support, monitoring, and maintenance 
  • Mid-range plans include security management, cloud services, and data backups 
  • Higher-end packages add advanced cybersecurity, compliance support, and strategic IT consulting 

Project-based work, like migrations or infrastructure upgrades, is usually billed separately at hourly rates. 

What certifications should California IT support companies have?

California IT support companies should hold certifications that prove their technical skill and security standards. Common and respected ones include: 

  • CompTIA A+ or Network+
  • Microsoft Certified Solutions Expert (MCSE)
  • Cisco Certified Network Associate (CCNA)
  • AWS or Google Cloud certifications
  • Certified Information Systems Security Professional (CISSP)
  • ITIL Certification

How do IT services companies in California ensure data protection and compliance with state and federal laws?

IT services companies in California ensure data protection and compliance by combining strict security measures with legal standards. They use encryption, firewalls, and access controls to secure sensitive information, along with regular backups and disaster recovery systems.  

To meet regulations like CCPA, HIPAA, and GDPR, they conduct compliance audits, maintain data processing policies, and train staff on privacy rules. They also monitor systems for breaches, keep detailed logs for accountability, and update protocols as laws or threats evolve, ensuring businesses stay secure and compliant. 

What kind of ongoing support do California IT support companies offer after implementation?

California IT support companies provide ongoing services to keep systems secure, up to date, and running smoothly after implementation. Support usually includes 24/7 monitoring, help desk assistance, and regular maintenance to prevent downtime.  

They handle software updates, security patches, and system backups, and monitor networks for performance or security issues. Many also offer user training, hardware upgrades, and scalability planning so businesses can adapt as they grow. 

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